SOLUTION: what happen to the area of a circle when the radius is doubled? tripled?

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Question 774237: what happen to the area of a circle when the radius is doubled? tripled?
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
When the radius is doubled area is 4times the original area
When the radius is tripled area is 9times the original area


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